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Kth Largest Element in an Array - LeetCode
examination questionsFind the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth disti...
分类:其他好文   时间:2015-05-24 21:38:15    阅读次数:171
dataTable可以做的事情
dt.thxopen.com/example/$(document).ready(function(){ $("#example").dataTable({ //功能启用|禁用 "paging":false, "ordering":false, "info":false, //默认排序 "order":[[3,"desc"]],//对第四列按照降序排序,(升序asc) columnDefs:[{ targets:[0], orderData:[0,1]//..
分类:其他好文   时间:2015-05-24 19:02:09    阅读次数:117
SQL SERVER技术内幕之6 集合查询
1.定义集合运算会对两个输入查询的结果集进行逐行比较,根据比较结果和所使用的集合运算来确定某一行是否应该包含在集合运算的结果中。因为集合运算是针对集合之间进行的计算,所以集合运算涉及的两个查询不能包含Order By子句。包含Order By子句的查询可以确保结果的排列顺序,因此,这样的查询返回的不...
分类:数据库   时间:2015-05-24 14:09:31    阅读次数:171
SqlServer 2012 OFFSET 和 FETCH 子句实现分页
SQLserver 202 新增加的功能,在ORDER BY 子句中新增 OFFSET 和 FETCH 子句,可以实现分页查询效果。 ORDER BY 子句中的语法如下:(参考:ORDER BY 子句 (Transact-SQL)) ORDER BY order_by_expression [ COLLATE collation_name ] [ ASC | DE...
分类:数据库   时间:2015-05-24 12:57:41    阅读次数:358
题目8:MySQL----------Duplicate Emails
Suppose that a website contains two tables, the Customers table and the Orders table. Write a SQL query to find all customers who never order anything. Table: Customers. +----+-------+ | Id | Na...
分类:数据库   时间:2015-05-24 08:53:15    阅读次数:164
Java for LeetCode 109 Convert Sorted List to Binary Search Tree
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.解题思路:同上题,JAVA实现如下: public TreeNode sor...
分类:编程语言   时间:2015-05-23 21:13:59    阅读次数:145
Java for LeetCode 108 Convert Sorted Array to Binary Search Tree
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.解题思路:首先要理解,什么叫做height balanced BST,然后就十分容易了,JAVA实现如下:...
分类:编程语言   时间:2015-05-23 19:58:52    阅读次数:146
Java for LeetCode 107 Binary Tree Level Order Traversal II
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For ...
分类:编程语言   时间:2015-05-23 19:58:45    阅读次数:170
Kth Largest Element in an Array
Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element. For example, Given [3,2,1,5,6,4] and k = 2, return 5. ...
分类:其他好文   时间:2015-05-23 18:25:13    阅读次数:131
Java for LeetCode 103 Binary Tree Zigzag Level Order Traversal
Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and ...
分类:编程语言   时间:2015-05-23 10:02:04    阅读次数:170
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